Screen State
Nominal
no anomaly
Anomalies Today
0
metallic flags
Last Amplitude Spike
2.1 dB
Confidence
7 %
Status
Beta
unvalidated
Subcarriers
52
HT20 / 802.11n
📡 CSI Amplitude Stream
mean amplitudeanomaly residual
🎯 Detection Confidence
Anomaly threshold3.5 dB
Residual energy0.04
Window256 ms
🧩 Detection Mix (24h)
📊 Per-subcarrier Anomaly
52 sc🔒 System Status
ModeExperimental
CSI linkStable
Calibrationempty-room baseline
Alert channelOperator review
Modelmetal-anom v0.7β
📡 Live Amplitude (dB)
100 Hz🎯 Confidence
Peak residual0.05 dB
Anomaly bandsc 18–34
📊 Per-subcarrier Anomaly Score
red > 3.5 dB📐 Residual Distribution
Below threshold97%
Flagged3%
🌡 Anomaly Heatmap
subcarrier × timerows: subcarrier groups · cols: time → now
Flags (30d)
61
operator-reviewed
Confirmed (manual)
9
15% precision
False Positives
52
unvalidated band
Median Residual
1.4 dB
baseline noise
👤 Anomalies per Hour
24h📐 Residual Magnitude Distribution
🌡 Anomaly by Hour × Day
7×24🧩 Outcome Split
Confirmed metallic15%
Benign metal48%
Clutter / noise37%
📋 Event Log
All
| Time | Event | Severity | Detail |
|---|
🔔 Live Stream
tail🎛 Detection Tuning
3.5 dB
Residual above this is flagged as a metallic anomaly. Lower = more sensitive, more false positives.
60%
256 ms
🔔 Alerts & Routing
Operator review queue
Route every flag to a human reviewer
Auto-recalibrate baseline
Re-learn empty-room signature hourly
Record raw CSI on flag
256-frame pre/post buffer
Experimental mode acknowledged
Required to arm detector
📋 Cog Details
DescriptionDetects metallic objects through CSI amplitude anomaly analysis. Experimental capability for security screening augmentation.
Events
HardwareESP32-S3
InputCSI amplitude
Versionv0.7.0 · 30 KB · Hard